@article{9949,
      note = {See French version LA PROPRIETE INDUSTRIELLE 1976, Vol 92,  No 11, p 256-267.},
      author = {Kopff, Andrzej,},
      url = {http://tind.wipo.int/record/9949},
      title = {Letter from Poland /},
      recid = {9949},
      pages = {1 volume ([10] pages) ;},
}